As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A 100 HR INSPECTION, WE HAVE FOUND THAT 2 ALLEN BOLTS FROM THE SWASHPLATE WAS CHAFING ON THE SLIDER TUBE. THE DAMAGE WAS LOCATED ON THE FORWARD FACE OF THE TUBE. FOUND THAT THIS CONDITION HAPPEN DURING FLIGHT CONTROLS CHECK WITH THE COLLECTIVE UP AND CYCLIC IN AFT POSITION, WITH HYDRAULIC SYSTEM NOT PRESSURIZED, BY MOVING THE CONTROLS ON GROUND WITHOUT POWER.